CN117724394A - Intelligent data acquisition gateway and equipment based on Siemens Smart series PLC extension port - Google Patents

Abstract

The application relates to intelligent data acquisition gateway and equipment based on Siemens Smart series PLC extension port, relates to the technical field of data acquisition, wherein the gateway includes: the main control module is used for running an operating system and remotely connecting equipment for burning programs and data monitoring; the connector is inserted into the PLC expansion port at one side, and is connected with the main control module at the other side and used for connecting the main control module with the PLC; the signal conversion module is in signal connection with the main control module, one end of the signal conversion module, which is far away from the connector, is in signal connection with the main control module, and is used for converting the output signal of the connector and forwarding the converted signal to the main control module; and the wireless remote communication module is in signal connection with the main control module and is used for loading communication equipment with a built-in specific communication protocol, and the communication equipment and the upper computer form remote communication connection. The remote management control method and device have the effect of remote management control.

Description

Intelligent data acquisition gateway and equipment based on Siemens Smart series PLC extension port

Technical Field

The application relates to the technical field of data acquisition, in particular to a device.

Background

With the advent of the 4.0 era of industry, the capability of a Programmable Logic Controller (PLC) for processing analog, digital operation, man-machine interface and network has been greatly improved, and the programmable logic controller becomes a main stream control device in the industrial control field, and plays an increasing role in various industries.

The Siemens Smart series PLC is extremely widely applied in the industrial field, has the global market occupancy rate of more than 20%, but only supports local uploading and downloading of programs and monitoring of data through an Ethernet interface or an RS485 interface.

Disclosure of Invention

In order to meet the remote control management requirements of Siemens Smart series PLCs, the application provides a device.

In a first aspect, the present application provides the following technical solution:

the intelligent data acquisition gateway and the remote programming method for the gateway are based on Siemens Smart series PLC expansion ports, and comprise the following steps:

the main control module is used for running an operating system, and the operating system is remotely connected with equipment for burning programs and data monitoring;

the connector is inserted into the PLC expansion port at one side, and the other side of the connector is connected with the main control module and used for connecting the main control module and the PLC;

the signal conversion module is in signal connection with the main control module, and one end of the signal conversion module, which is far away from the connector, is in signal connection with the main control module and is used for converting the output signal of the connector and forwarding the converted signal to the main control module; and

the wireless remote communication module is in signal connection with the main control module and is used for loading communication equipment with a built-in specific communication protocol, and the communication equipment and the upper computer form remote communication connection.

Through adopting above-mentioned technical scheme, make between PLC and the main control module form signal connection through the connector, and main control module can form remote communication with the host computer through wireless remote communication module and be connected to realize siemens Smart series PLC long-range uploading, downloading and the monitoring of data, remote management control's purpose promptly.

Preferably, the connector adopts 2 x 8p double-row pins matched with the PLC expansion port, and the connector at least receives a 5V power signal, a 3.3V power signal, a TTL signal and an IIC signal.

By adopting the technical scheme, the signal transmission between the PLC expansion port and the main control module is realized through 2 x 8p double-row needles, so that the PLC can be ensured to form remote communication connection with an upper computer; meanwhile, signals such as a 5V power signal, a 3.3V power signal, a TTL signal, an IIC signal and the like are converted through the connector and then forwarded to the main control module so as to be used for normal operation of the main control module.

Preferably, the signal conversion module includes a power signal conversion unit and a serial port signal conversion unit, which are arranged in parallel, the power signal conversion unit is used for converting a 5V power signal into a 3.8V power signal, and the serial port signal conversion unit is used for forwarding a level signal and a data signal.

By adopting the technical scheme, the 5V power supply signal is converted into the 3.8V power supply signal through the power supply signal conversion unit, so that the power supply requirements of equipment such as a main control module and the like are met; the level signal in the application refers to a serial clock signal, and the serial clock signal can trigger the main control module to perform corresponding operations, such as forwarding serial data signals.

Preferably, the connector is in signal connection with a storage module, the storage module is used for storing data, and the connector is in signal connection with the storage module.

By adopting the technical scheme.

Preferably, the wireless remote communication module at least comprises an antenna base and a SIM base, wherein the antenna base is used for signal connection and fixing an antenna, and the antenna is in remote communication connection with an upper computer by adopting one of specific communication protocols; the SIM seat is used for being inserted with an SIM card, and the SIM card adopts one of specific communication protocols to form remote communication connection with the upper computer.

By adopting the technical scheme, the intelligent data acquisition gateway can form remote communication connection with the upper computer through the antenna, so that basic communication guarantee is provided for realizing uploading and downloading of programs and monitoring of data of Siemens Smart series PLC (programmable logic controller) remotely.

Preferably, the main control module is provided with a USB interface, and the USB interface is used for burning programs or remotely upgrading the programs in the main control module through a wireless network.

By adopting the technical scheme, a worker can remotely control the main control module through the upper computer to perform operations such as testing the burning program, and the purpose of remote control management is achieved.

In a first aspect, the present application provides an electronic device comprising a processor, a memory, a user interface, and a network interface, the memory being configured to store instructions, the user interface and the network interface being configured to communicate with other devices, the processor being configured to execute the instructions stored in the memory to cause the electronic device to perform the above.

In a first aspect, the present application provides a computer readable storage medium storing instructions that, when executed, perform the above.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the PLC and the main control module are connected by a connector to form signal connection, and the main control module can form remote communication connection with the upper computer through the wireless remote communication module, so that the purposes of uploading and downloading programs and monitoring data, namely remote management and control, of Siemens Smart series PLCs are realized; the structural design which is completely matched with the PLC expansion port realizes nondestructive installation;

2. the signal transmission between the PLC expansion port and the main control module is realized through 2 x 8p double-row needles, so that the PLC can be ensured to form remote communication connection with an upper computer; meanwhile, signals such as a 5V power signal, a 3.3V power signal, a TTL signal, an IIC signal and the like are converted through the connector and then forwarded to the main control module so as to enable the main control module to normally operate;

3. the staff can remotely upload and download programs and monitor data through the upper computer to the Siemens Smart series PLC, so that the purpose of remote control and management is realized.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present application;

FIG. 2 is a flow chart of steps of a remote programming method of an embodiment of the present application;

fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present application.

Reference numerals: 1. a main control module; 11. a USB interface; 12. a network indicator light; 13. status indicator lights; 14. a test point; 2. a connector; 3. a signal conversion module; 31. a power signal conversion unit; 311. a power indicator light; 32. a serial port signal conversion unit; 321. TX indicator light; 322. RX indicator light; 4. a wireless telecommunications module; 41. an antenna base; 42. a SIM seat; 5. a storage module; 61. a processor; 62. a communication bus; 63. a user interface; 64. a network interface; 65. a memory.

Detailed Description

The present application is described in further detail below in conjunction with fig. 1-3.

The embodiment of the application discloses an intelligent data acquisition gateway, a remote programming method for the gateway and related equipment.

With the advent of the 4.0 era of industry, people, objects and objects are required to be connected, an informatization, remote management control and intelligent network is realized, various data are stored as industrial big data in the cloud, and different data mining, analysis and optimization schemes are constructed through deep learning and other systems. The Siemens Smart series PLC is extremely widely applied in the industrial field, but only supports uploading and downloading of programs and monitoring of data locally through an Ethernet interface or an RS485 interface, and cannot meet the remote management control requirement of the 4.0 era of industry, so that the intelligent data acquisition gateway is designed based on the Siemens Smart series PLC expansion port, and the purpose of remotely controlling and managing the PLC is achieved.

Referring to fig. 1, an intelligent data acquisition gateway is based on a siemens Smart series PLC extension port, and comprises a main control module 1, a connector 2, a signal conversion module 3 and a wireless remote communication module 4, wherein the connector 2 is inserted into the PLC extension port, the other end of the connector is connected with the main control module 1 through the signal conversion module 3, and the main control module 1 can form remote communication connection with an upper computer through the wireless remote communication module 4, so that the purpose of remote management control is realized.

In detail, the connector 2 adopts 2×8p double-row pins adapted to the PLC extension port, and in this embodiment of the present application, the connector 2 may at least receive a 5V power signal, a 3.3V power signal, a TTL signal, an IIC signal, and the like, and may forward the signals. The 5V power supply signal and the 3.3V power supply signal are used for supplying power to all the devices, the TTL signal is used for transmitting data, and the IIC signal is used for transmitting a clock signal.

The connector 2 is further connected with a storage module 5 through signals, in the embodiment of the application, the storage module 5 can adopt a Flash storage chip for storing data, and identity authentication data in the storage module 5 can be read once when the Siemens Smart series PLC is powered on for initialization.

The signal conversion module 3 includes a power signal conversion unit 31 and a serial port signal conversion unit 32 that are arranged in parallel, wherein the power signal conversion unit 31 is configured to convert a 5V power signal into a 3.8V power signal for use by the main control module 1. The power signal conversion unit 31 may employ a DC/DC power module, and may further be provided with a power indication lamp for identification.

The serial port signal conversion unit 32 is used for forwarding level signals and data signals, wherein the level signals mainly refer to serial clock signals, so that the purpose of periodically forwarding data in the memory module 5 to the main control module 1 and then forwarding the data to an upper computer by the main control module 1 through the wireless remote communication module 4 can be achieved. The serial port signal conversion unit 32 may set TX and RX indicator lights, so that the staff can recognize whether the input or the output is actually performed at the time.

Furthermore, the main control module 1 can adopt the 4G CAT1 main control module 1, and an RTOS operating system is operated internally, so that operations such as 4G networking, serial port receiving and transmitting control, PPI protocol conversion, indicator lamp control, configuration file reading and writing and the like can be completed, and meanwhile, a program in the main control module 1 can be subjected to burning test through a USB interface.

The wireless remote communication module 4 at least comprises an antenna base 41 and a SIM base 42, and since the antenna and the SIM card can be selected by the user, the wireless remote communication module 4 in the embodiment of the present application only provides a conventional connection base for fixing the antenna or plugging the SIM card.

The antenna base 41 is used for signal connection and fixing an antenna, and the antenna forms a remote communication connection with the upper computer by adopting one of specific communication protocols, wherein the specific communication protocols at least can include communication protocols such as bluetooth communication, radio frequency identification, infrared communication, satellite communication, zigbee, loRa and the like.

The SIM holder 42 is used for plugging in a SIM card, which forms a communication connection with the main control module 1 using one of specific communication protocols, which may be standardized by etsi.

Further, the main control module 1 is provided with a USB interface 11 for burning programs, and the USB interface 11 is remotely controlled by an upper computer. Meanwhile, the main control module 1 can be provided with a network indicator lamp and a status indicator lamp for identifying whether the network is normal or not and the current status of the main control module 1. In order to facilitate remote testing of the main control module 1, the main control module 1 may reserve test points.

The method comprises the following steps of:

s1: running MNConfig software in the upper computer, starting a remote editing function, and establishing TCP normal connection with a remote programming server; the MNConfig software is open internet of things operation software which is self-developed by the applicant and is already disclosed, so that no further description is given.

S2: the MNConfig software issues a remote programming starting command to the MQTT based on the MQTT channel; the remote programming start command at least comprises IP information, port number information, serial number information, client type information, password information and starting timeout information of the remote programming server;

s3: and receiving feedback information which is commonly connected with the remote programming server by the MQTT channel, and carrying out interface prompt.

S4: the Siemens STEP 7-MicroWIN SMART software is started in the upper computer.

S5: the MNConfig software acquires a programming data packet sent by Siemens STEP 7-MicroWIN SMART, encrypts the programming data packet through TCP to form ciphertext data, and sends the ciphertext data to a remote programming server.

S6: the remote programming server forwards the received ciphertext data to the current state via TCP, and at the moment, a programming data packet sent by Siemens STEP 7-MicroWIN SMART software is received.

S7: and forwarding the ciphertext data to the PLC expansion port and receiving return data of the PLC, wherein the return data refers to 0xE5 data of one byte.

S8: after receiving the returned data of the PLC, 0x10, 0x02, 0x00, 0x5c, 0x5e and 0x16 data of 6 bytes are sent through the PPI serial port, and the returned data of the PLC is received.

S9: the return data of the PLC is forwarded to Siemens STEP 7-MicroWIN SMART software.

S10: repeating S5-S9.

The application further provides an electronic device, and referring to fig. 3, fig. 3 is a schematic structural diagram of the electronic device provided in the embodiment of the application. The electronic device may include: at least one processor 61, at least one network interface 64, a user interface 63, a memory 65, at least one communication bus 62.

Wherein the communication bus 62 is used to enable connected communication between these components.

The user interface 63 may include a Display screen (Display) and a Camera (Camera), and the optional user interface 63 may further include a standard wired interface and a standard wireless interface.

The network interface 64 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface), among others.

Wherein processor 61 may comprise one or more processing cores. The processor 61 connects various parts within the entire server using various interfaces and lines, performs various functions of the server and processes data by executing or executing instructions, programs, code sets, or instruction sets stored in the memory 65, and calling data stored in the memory 65. Alternatively, the processor 61 may be implemented in hardware in at least one of digital signal processing (Digital Signal Processing, DSP), field programmable gate array (Field-Programmable Gate Array, FPGA), programmable logic array (Programmable Logic Array, PLA). The processor 61 may integrate one or a combination of several of a central processor 61 (Central Processing Unit, CPU), an image processor 61 (Graphics Processing Unit, GPU), and a modem, etc. The CPU mainly processes an operating system, a user interface, an application program and the like; the GPU is used for rendering and drawing the content required to be displayed by the display screen; the modem is used to handle wireless communications. It will be appreciated that the modem may not be integrated into the processor 61 and may be implemented by a single chip.

The Memory 65 may include a random access Memory 65 (Random Access Memory, RAM) or a Read-Only Memory 65 (Read-Only Memory). Optionally, the memory 65 includes a non-transitory computer readable medium (non-transitory computer-readable storage medium). Memory 65 may be used to store instructions, programs, code, a set of codes, or a set of instructions. The memory 65 may include a stored program area and a stored data area, wherein the stored program area may store instructions for implementing an operating system, instructions for at least one function (such as a touch function, a sound playing function, an image playing function, etc.), instructions for implementing the above-described respective method embodiments, etc.; the storage data area may store data or the like involved in the above respective method embodiments. The memory 65 may also optionally be at least one storage device located remotely from the aforementioned processor 61. As shown in fig. 3, an operating system, a network communication module, a user interface 63 module, and an application program of a safety control method of a battery storage device may be included in the memory 65 as a computer storage medium.

In the electronic device shown in fig. 3, the user interface 63 is mainly used for providing an input interface for a user, and acquiring data input by the user; and processor 61 may be configured to invoke an application program in memory 65 that stores a method of controlling the safety of a battery energy storage device, which when executed by one or more processors 61, causes the electronic device to perform the method as in one or more of the embodiments described above.

It should be noted that, for simplicity of description, the foregoing method embodiments are all expressed as a series of action combinations, but it should be understood by those skilled in the art that the present application is not limited by the order of actions described, as some steps may be performed in other order or simultaneously in accordance with the present application. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all preferred embodiments, and that the acts and modules referred to are not necessarily required in the present application.

The present application also provides a computer-readable storage medium having instructions stored thereon. When executed by the one or more processors 61, cause the electronic device to perform the method as described in one or more of the embodiments above.

In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.

In the several embodiments provided herein, it should be understood that the disclosed apparatus may be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative, such as a division of units, merely a division of logic functions, and there may be additional divisions in actual implementation, such as multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some service interface, device or unit indirect coupling or communication connection, electrical or otherwise.

The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.

The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable memory 65. Based on such understanding, the technical solution of the present application may be embodied essentially or in part or all of the technical solution contributing to the prior art or in the form of a software product stored in one memory 65, including several instructions to cause one computer device (which may be a personal computer, a server or a network device, etc.) to perform all or part of the steps of the methods of the various embodiments of the present application. And the aforementioned memory 65 includes: various media capable of storing program codes, such as a U disk, a mobile hard disk, a magnetic disk or an optical disk.

The foregoing is merely exemplary embodiments of the present disclosure and is not intended to limit the scope of the present disclosure. That is, equivalent changes and modifications are contemplated by the teachings of this disclosure, which fall within the scope of the present disclosure. Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure. This application is intended to cover any adaptations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a scope and spirit of the disclosure being indicated by the claims.

Claims (8)

1. Based on siemens Smart series PLC extension mouth, its characterized in that includes:

the main control module (1) is used for running an operating system, and the operating system is remotely connected with equipment for burning programs and data monitoring;

the connector (2) is inserted into the PLC expansion port at one side of the connector (2), and the other side of the connector (2) is connected with the main control module (1) and used for connecting the main control module (1) with the PLC;

the signal conversion module (3) is in signal connection with the main control module (1), and one end, far away from the connector (2), of the signal conversion module (3) is in signal connection with the main control module (1) and is used for converting an output signal of the connector (2) and forwarding the converted signal to the main control module (1); and

the wireless remote communication module (4) is in signal connection with the main control module (1), the wireless remote communication module (4) is used for loading communication equipment with a built-in specific communication protocol, and the communication equipment and an upper computer form remote communication connection.

2. The connector (2) according to claim 1, wherein the connector (2) employs 2 x 8p double rows of pins adapted to the PLC extension port, and the connector (2) receives at least a 5V power signal, a 3.3V power signal, a TTL signal, and an IIC signal.

3. The signal conversion module (3) according to claim 1, wherein the signal conversion module (3) comprises a power signal conversion unit (31) and a serial signal conversion unit (32) arranged in parallel, the power signal conversion unit (31) is configured to convert a 5V power signal into a 3.8V power signal, and the serial signal conversion unit (32) is configured to forward a level signal and a data signal.

4. A connector as claimed in claim 3, wherein a memory module (5) is signally connected to the connector (2), the memory module (5) being adapted to store data, and the connector (2) being signally connected to the memory module (5).

5. The wireless telecommunication module (4) according to claim 1, characterized in that it comprises at least an antenna mount (41) and a SIM mount (42), said antenna mount (41) being adapted for signal connection and for fixing an antenna, said antenna being adapted for forming a telecommunication connection with an upper computer using one of a specific communication protocol; the SIM seat (42) is used for inserting an SIM card, and the SIM card adopts one of specific communication protocols to form remote communication connection with an upper computer.

6. The system according to claim 1, wherein the main control module (1) is provided with a USB interface (11), and the USB interface (11) is used for burning a program or remotely performing OTA upgrade on a program in the main control module (1) through a wireless network.

7. An electronic device, characterized in that the electronic device comprises a processor (61), a memory (65), a user interface (63) and a network interface (64), the memory (65) being adapted to store instructions, the user interface (63) and the network interface (64) being adapted to communicate to other devices, the processor (61) being adapted to execute the instructions stored in the memory (65) to cause the electronic device to execute any of the claims to 8.

8. A computer readable storage medium storing instructions which, when executed, perform any one of claims to 8.